HDMI and No signal - DirecTV

I turn on my Tv and it says one of two things #1 There is no HDMI input signal.Please see if the HDMI input cable is connnected correctly. Some it will say No signal check the external input or select another input using the input button. Whats UP?


This question, "HDMI and No signal," is about DirecTV channels, programming, equipment, and sports.